Land vehicles – Wheeled – Coasters
Reexamination Certificate
2000-08-22
2001-10-02
Mar, Michael (Department: 3635)
Land vehicles
Wheeled
Coasters
C135S067000, C280S304500, C280S042000, C297S005000
Reexamination Certificate
active
06296263
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to walking aids and more particularly to a walker equipped with a folding tray mounted between the two upper support members.
2. Discussion of the Prior Art
Of the many types of walkers available today, all require the use of two arms to control both stability of the person and forward movement, of the walker. because of the need for two arms to control the walker, the user must improvise if he/she needs to carry an object, such as, for example, an item purchased at a store. One possibility is to obtain a bag which has two handles, both of which are held with one hand against one of the upper members or is hung over the upper member. The instability of the package swinging to and fro could cause a fall or bumping into an object or person.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the invention to provide a system for holding an item or package on a support member of a walker.
It is another object of the invention to provide a shelf suspended from vertical supports of a walker.
A still further object of the invention is to provide a folding shelf suspended from vertical supports of a walker.
The foregoing objects are realized in the present invention by providing a folding tray having hinges in the center and fastened to the upright supports of the walker with pipe “U” clamps. A bracket is fastened on each end of the tray. A pipe clamp, having a bracket fastened thereto, is fastened on each of the upright supports. The folding tray, which may be made of molded plastic, is formed with ridges on each of the forward end and the aft end of the tray to act as barriers to prevent objects from falling off. The ridges on the first side of the tray are extended to overlap the hinged joint to act as a stiffener to keep the folding tray from collapsing when a load is placed thereon. When the walker is folded, the folding tray is lifted upwardly to a point where the folding of the walker vertical supports continues folding the tray.
REFERENCES:
patent: 484240 (1892-10-01), Rieckert
patent: 2316100 (1943-04-01), Nelson
patent: 3656439 (1972-04-01), Domin
patent: 4740010 (1988-04-01), Moskovitz
patent: 5131547 (1992-07-01), Goldberg
patent: 5273063 (1993-12-01), Farr et al.
patent: 6070603 (2000-06-01), Politz
Schultz Theodore L.
Winney Margaret Ann
Lukasik Frank A.
Mar Michael
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